easy, one minutes i solve the problem
# o3 {3 M- i& E5 x( }tvb now,tvbnow,bttvbdivide into half, mean 6/ 6
" M& e% d2 a5 x$ l8 _take the heavier 6 ping pong
7 C) M# k& c) R% O6 dtvb now,tvbnow,bttvbdivide into 3/3, take the heavier 3/ C0 P. v; E0 ^5 W5 X' a, o% o# ?
take the the other 3 that have the equal weight, switch each to measure, the most important things is labeling the ping pong so that we can recognize |
發表於 2009-2-8 04:58 PM
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